Doctor insights on:
How Do Beta Blockers Work
See below: Debbie, Beta blockers act on the epinepherine (adrenaline) receptor. They block it, stopping the epi from attaching to it. The functional result is that they act to slow your heart rate and lower your blood pressure. They are excellent blood pressure medicines if you need them. Hope this helps! ...Read moreSee 2 more doctor answers
Relax vessels/heart: Calcium channel blockers slow the entry of calcium into tiny muscles that encircle your blood vessels, thereby reducing their contraction and releasing some pressure. Beta blockers slow down the heart so that it doesn't push so much blood into the vessels, again reducing pressure. ...Read moreSee 2 more doctor answers
No/Yes: Beta blockers do not help symptoms of anxiety. Sometimes they will blunt the effect stress may have on your heart by blocking the same receptors that 'adrenaline-like' hormones work on. There has been many years of use to prevent migraines, particularly with propanolol which is an older generation of beta blockers. They have been known to reduce migraines. ...Read more
What does it mean if vagal maneuvers and beta blockers don't work? I've had check ups with the specialist.Sometimes I am afraid i might pass out.
What's to be expected? Might ventolin work at all if you have an asthma attack whilst taking beta blockers?
Less so: Ventolin may still work but would likely be less effective. It is also important to choose a cardio-selective beta blocker if there is no other alternative. One study showed that taking a cardio-selective beta blocker reduced the fev-1 (the one-second airflow which is reduced in airway obstruction) by about 7% but made the lung more responsive to bronchodilators . Avoid beta blocker if possible. ...Read more
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